UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'l4zq2GrcfRdfjh42kVqlWF4/50JyCmFX2wZfazfE+d0=' 
WHERE 
  key_id = '49dba0aa8c56ff6730fb2981df76021446d36edf43db72b4bcd1e8bfd8e558af' 
  AND (
    token = 'l4zq2GrcfRdfjh42kVqlWF4/50JyCmFX2wZfazfE+d0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )