INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5155155864f693982a5bb8d6e2e25c0608e8943d18bdb4c395f421dbca9c13ee', 
    '6tHAFrCmIKx2FtTQqWjqINkm3R0vgJI6JDE0BoB8Myg=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)