INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51ddca1b981de385ec258674352fe327d29e952e1eb1c09e1424e555d14f4a69', 
    '0OTjP9Io8fLvJl2C7236ElexKFURyO0cnOc21jhV4mw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)