UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '7jG/H8dYOYPX6uxZ1a07Bjf2VegTIRcGmdZ067u0eK8=' 
WHERE 
  key_id = '5b76f777f3b52cd4fa9cab765a9dc5c008b3117aa7cdcd67cefdf1516bced4a0' 
  AND (
    token = '7jG/H8dYOYPX6uxZ1a07Bjf2VegTIRcGmdZ067u0eK8=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00017