UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'P7PMyA9roHLWP3bJKHF+TLot68184GWllQldy21h71I=' 
WHERE 
  key_id = 'dbb53cf0b1bf11ffaac22c09e7ca58fdee1ceb5ef511a70748fb9e93225b9d8a' 
  AND (
    token = 'P7PMyA9roHLWP3bJKHF+TLot68184GWllQldy21h71I=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00019