UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'sqPel8HvPAeGTaG4XSDRW50q+prc81AHY01S0S/rD6c=' 
WHERE 
  key_id = '9ffc367d4df61467765646b1fca90dd88397ebb26455d493fa59ac50117f0fa8' 
  AND (
    token = 'sqPel8HvPAeGTaG4XSDRW50q+prc81AHY01S0S/rD6c=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )