INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '015ce7eb1ea34cea55d22752198148dd222237b85042d1078d538dd34783d1a2', 
    'HI1tHru2JTGHUd+w52DKZWmeZsRBUCliiTex0voVOnY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00042

Result

int(1)