INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '338e08a377e09e4b92d562c8f41da39e50cf113547e487343bbacd685bc70964', 
    'g8Dvugf+xwF8p/X81yZRFbTttv6fEZINslwvxQFY2kk=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)