INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4921d851ca7da38a5320653071592d680885be8022b3a43d959f55862bc44a1c', 
    'DFvtbNLQtyEhEN3q6awFh+0NCU/eeAkidEOXjjCeFEY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00019

Result

int(1)