INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3b7fe7f0a0f8547825a09f2448263ad51d840692d0868be1e2037d91f049676', 
    '+rExi2TFBCA1fybEgPdFcInITemS7SCBIvVb4WInbuM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00034

Result

int(1)