UPDATE 
  q_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'OK93mSWI2Jey17zYCcejvuYuwXb45FZWGCkm0fCPPjk=' 
WHERE 
  key_id = '901ba1262f5901d11c97284a3fc8df05bbc040ba8ffa6a34cc802479e4a178af' 
  AND (
    token = 'OK93mSWI2Jey17zYCcejvuYuwXb45FZWGCkm0fCPPjk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )