INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7421cbc2f623ae052675a4d0e12602a7ca2b96c5a3c242d392e2340692f3e361', 
    '3c4v23opjPRmlTYdwlLuPqlxA/EigHkFz2sKWksYagU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)