UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'iEernxuZvEKC4iLrPJX3damOPdai5dAG5KA7udKiZ78=' 
WHERE 
  key_id = '843ea9f5fca999aefe74f05bc8b7cda9df7cc24225bcdce85f37e6c2a6806a52' 
  AND (
    token = 'iEernxuZvEKC4iLrPJX3damOPdai5dAG5KA7udKiZ78=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00039