UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'pC8m5yu3rAEGtoZ1gN2lW8Kr3lyStlrU5FpM5Z5AJBM=' 
WHERE 
  key_id = '1a51a39bba699e9e1dada974c08e82168b710c138e1f432ec985ff142fbb3972' 
  AND (
    token = 'pC8m5yu3rAEGtoZ1gN2lW8Kr3lyStlrU5FpM5Z5AJBM=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )