INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '88be1f2d6619019babcd048902079970a380931259be77691bc9c4e7aba477c7', 
    '+xcXRj6PHTB8pwHsyMrN3k0MjGL6DWJfiiS+lLoLlY0=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00056

Result

int(1)