INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21a3a0b4b189344b4d1ad28c73eebce87aa06d2d706959c87af7753d94da1a57', 
    'ht5oRAf0ITyx73NcjUXFVSqQf2N3hBE5NIlHoE7qDbo=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)