UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '6SgPEKKA+2cw68mU57p31DWkZpwAH0KhuONAynDsbSY=' 
WHERE 
  key_id = '2b0970203c35edd2ed10c7e3fca59ee805bf3b5dd1ed483e4affae3dc5e2b2a7' 
  AND (
    token = '6SgPEKKA+2cw68mU57p31DWkZpwAH0KhuONAynDsbSY=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )