UPDATE 
  cscart_aprillock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'S9/l1lkklwBRd8Da4I3ntCivIdHHrLcJnIGGHKstZyw=' 
WHERE 
  key_id = 'd6ecf52d0dfe078005fe42e19eb448a1cb75967adfbd56424a8bb9e2d2311722' 
  AND (
    token = 'S9/l1lkklwBRd8Da4I3ntCivIdHHrLcJnIGGHKstZyw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00040