INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e21b89b903e1ff58627099239b3c812b08e331807045c03083aa5541efffc198', 
    'VoTNlW7tRwfhbycFtejT3+/j3T3sShLyYIGWSHvfbTA=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00028

Result

int(1)