INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '51926519285e5008bee4048df65ce2cd977b5830f7badb7b1f56414c710fab0c', 
    '6uc/fM19nifWRbDPdUFfVTeRuj4WxNve+u+4085RPoI=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)