INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a4c6b735709c1d23f86037fd85bea03eb811fa14d7e0990359b088742dd8e8df', 
    '4g6xM26JEdRh9TxgSHKkYN7ihOeUBbk3J+nSbPlPEpY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)